12043-69-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12043-69-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,0,4 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 12043-69:
(7*1)+(6*2)+(5*0)+(4*4)+(3*3)+(2*6)+(1*9)=65
65 % 10 = 5
So 12043-69-5 is a valid CAS Registry Number.